Home / 49,177,140.87-67,870,405.34-27,989,072.13

Finding the Fourth Proportional to 49,177,140.87, 67,870,405.34 and 27,989,072.13

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Solution

The fourth proportional to 49,177,140.87, 67,870,405.34 and 27,989,072.13 is: 38,628,306.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,177,140.87 : 67,870,405.34 = 27,989,072.13 : x
  2. Step 2: Convert to fraction form
    49,177,140.87/67,870,405.34 = 27,989,072.13/x
  3. Step 3: Cross multiply
    49,177,140.87x = 67,870,405.34 × 27,989,072.13
  4. Step 4: Simplify right side
    49,177,140.87x = 1,899,629,670,553,597.25
  5. Step 5: Solve for x
    x = 1,899,629,670,553,597.25/49,177,140.87
  6. Step 6: Final answer
    x = 38,628,306.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.